curl --request GET \
  --url https://api.courier.com/tenants/{tenant_id}/templates \
  --header 'Authorization: Bearer <token>'

{
  "items": [
    {
      "id": "<string>",
      "created_at": "<string>",
      "updated_at": "<string>",
      "published_at": "<string>",
      "version": "<string>",
      "data": {
        "routing": {
          "method": "all",
          "channels": [
            "<string>"
          ]
        }
      }
    }
  ],
  "has_more": true,
  "url": "<string>",
  "next_url": "<string>",
  "cursor": "<string>",
  "type": "list"
}